man/man9f/ddi_get_driver_private.9f

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 DDI_GET_DRIVER_PRIVATE 9F "Jan 16, 2006"
 NAME
ddi_get_driver_private, ddi_set_driver_private - get or set the address of the
device's private data area
 SYNOPSIS

#include <sys/conf.h>
#include <sys/ddi.h>
#include <sys/sunddi.h>


void ddi_set_driver_private(dev_info_t *dip, void *data);


void *ddi_get_driver_private(dev_info_t *dip);


 INTERFACE LEVEL

Solaris DDI specific (Solaris DDI).
 PARAMETERS

ddi_get_driver_private()
dip

Pointer to device information structure to get from.


ddi_set_driver_private()
dip

Pointer to device information structure to set.


data

Data area address to set.


 DESCRIPTION

The ddi_get_driver_private() function returns the address of the device's
private data area from the device information structure pointed to by
dip.

The ddi_set_driver_private() function sets the address of the device's
private data area in the device information structure pointed to by dip
with the value of data.
 RETURN VALUES

The ddi_get_driver_private() function returns the contents of
devi_driver_data. If ddi_set_driver_private() has not been
previously called with dip, an unpredictable value is returned.
 CONTEXT

These functions can be called from user , interrupt, or kernel context.
 SEE ALSO

Writing Device Drivers